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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
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    <title>Document</title>
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<body>
    <script>
        function Person(name, age) {
            // this.name=name;
            this.age = age;
        }
        Person.prototype.name = '尼古拉斯赵四';
        var p1 = new Person('刘能', 18);
        console.log(p1.name);

    </script>
</body>

</html>